InChI=1/C16H14Cl2N2O2/c1-8-7-10(16(21)19-9(8)2)3-6-13-20-14-11(17)4-5-12(18)15(14)22-13/h4-5,7H,3,6H2,1-2H3,(H,19,21)/f/h19H 637CD0FF4BD5C150